.box {
    width: 100vw;
    height: 100vh;
    padding: 0;
    margin: 0;
    position: relative;
}

.bd {
    height: 100vh;
    width: 100vw;
    background: rgb(48, 135, 234);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
    top: 0;
    left: 0;
    margin: 0;

}

.tx {
    position: absolute;
    top: 65px;
    left: 115px;

}